<?php
spl_autoload_register(function($className){
	var_dump(str_replace("\\","/", $className. ".php"));
	die;
	include str_replace("\\","/", $className. ".php");
});

$imooc = new models\Imooc();  //命名空间 ＋ 类名  ＝ 类文件 路径
var_dump($imooc);